UCC21550 vs UCC21540 Comparison
Detailed side-by-side comparison of UCC21550 by Texas Instruments and UCC21540 by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
UCC21540 - 4A/6A 5.7kVRMS Isolated Gate Driver | Texas Instruments
UCC21540 ✓ ActiveSpecification Comparison
| Parameter | UCC21550 | UCC21540 |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Power MOSFET Drivers | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.25 | $1.85 |
| Channels | 2 (dual-channel) | — |
| Peak Source Current | 4 A | — |
| Peak Sink Current | 6 A | — |
| Isolation Rating | 5000 Vrms (reinforced, UL1577) | 5.7 kVRMS (reinforced) |
| Isolation Technology | Capacitive (silicon dioxide) | Capacitive coupling |
| Configurations | Dual low-side, dual high-side, or half-bridge | — |
| Supported Transistors | MOSFET, SiC, GaN, IGBT | — |
| Dead Time | Programmable via DT pin resistor | — |
| UVLO | Yes, on input and output supplies (A/B/C grade options) | — |
| Operating Temperature | -40C to +150C | [DATA_NEEDED: operating temperature range] |
| Package | 16-SOIC (DW, 300 mil) | SOIC-16 (DW); DWK with 3.3-mm channel spacing |
| Mounting Type | Surface Mount | Surface Mount |
| Automotive Qualification | UCC21550x-Q1 family AEC-Q100 qualified | — |
| RoHS Status | Compliant | Compliant |
| CMTI | [DATA_NEEDED: common-mode transient immunity] | — |
| Propagation Delay | [DATA_NEEDED: typical propagation delay] | — |
| Output Current (Peak Source) | — | 4 A |
| Output Current (Peak Sink) | — | 6 A |
| Number of Channels | — | 2 |
| Secondary-Side UVLO | — | 8 V |
| Output-Side Supply Range (VDD) | — | 6.5 V to 18 V |
| Programmable Deadtime | — | Yes (DT pin) |
| Disable Pin | — | Yes (DIS) |
| Driven Devices | — | Power MOSFET, IGBT, GaN transistor |
| Channel-to-Channel Spacing (DWK) | — | 3.3 mm |
| Isolation Type | — | Reinforced / galvanic |